GB756323A - Telephone systems including main and satellite exchanges - Google Patents

Telephone systems including main and satellite exchanges

Info

Publication number: GB756323A
Authority: GB; United Kingdom
Prior art keywords: relay; junction; wire; satellite; relays
Prior art date: 1951-07-03
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

GB16744/52A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Licentia Patent Verwaltungs GmbH

Original Assignee

Licentia Patent Verwaltungs GmbH

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1951-07-03

Filing date

1952-07-03

Publication date

1956-09-05

1952-07-03 Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH

1956-09-05 Publication of GB756323A publication Critical patent/GB756323A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite

Landscapes

Physics & Mathematics (AREA)
Astronomy & Astrophysics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Interface Circuits In Exchanges (AREA)
Monitoring And Testing Of Exchanges (AREA)
Radio Relay Systems (AREA)

GB16744/52A 1951-07-03 1952-07-03 Telephone systems including main and satellite exchanges Expired GB756323A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE309049X		1951-07-03
DE100951X		1951-09-10

Publications (1)

Publication Number	Publication Date
GB756323A true GB756323A (en)	1956-09-05

Family

ID=25750383

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB16744/52A Expired GB756323A (en)	1951-07-03	1952-07-03	Telephone systems including main and satellite exchanges

Country Status (5)

Country	Link
BE (1)	BE512590A (de)
CH (1)	CH309049A (de)
FR (1)	FR1067876A (de)
GB (1)	GB756323A (de)
NL (2)	NL89646C (de)

0
- NL NLAANVRAGE7208232,A patent/NL170773B/xx unknown
- BE BE512590D patent/BE512590A/xx unknown
- NL NL89646D patent/NL89646C/xx active
1952
- 1952-06-23 CH CH309049D patent/CH309049A/de unknown
- 1952-07-01 FR FR1067876D patent/FR1067876A/fr not_active Expired
- 1952-07-03 GB GB16744/52A patent/GB756323A/en not_active Expired

Also Published As

Publication number	Publication date
BE512590A (de)
CH309049A (de)	1955-08-15
NL170773B (nl)
NL89646C (de)
FR1067876A (fr)	1954-06-21

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